CN205310185U - Electric hammer - Google Patents
Electric hammer Download PDFInfo
- Publication number
- CN205310185U CN205310185U CN201520823516.6U CN201520823516U CN205310185U CN 205310185 U CN205310185 U CN 205310185U CN 201520823516 U CN201520823516 U CN 201520823516U CN 205310185 U CN205310185 U CN 205310185U
- Authority
- CN
- China
- Prior art keywords
- hole
- steel ball
- chuck
- cylinder body
- electric hammer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an electric hammer, cylinder assembly and transmission assembly in including chuck, casing and locating the casing, the side of casing is equipped with the handle, and the chuck includes that collet bodies, four directions cover and clamp overlap, cylinder assembly includes the cylinder body, and drill bushing hole and piston hole have been opened respectively to preceding, the rear portion of cylinder body, and the anterior first step of cylinder body stretches into in the cover of four directions. The utility model discloses the drill bit inserts the back and strikes sub - direct impact, and the drill is more laborsaving, the chuck equipment is convenient, through the cooperation of steel ball with the spring, realizes that the drill bit is direct, quick inserting and extracting, through cylinder body in the adjustment with strike between the cover, connection structure between cylinder body and the chuck, cylinder assembly's length is shorter than the tradition, passes through the steel ball joint moreover, the dismouting maintains that the vulnerable part is more convenient, has greatly prolonged electric hammer's life, improve the block stamp to the hammering dynamics of drill bushing subassembly through the aperture of increase piston hole, effectively improved electric hammer's work efficiency.
Description
Technical field
The utility model relates to a kind of electric hammer.
Background technology
At present, there is following shortcoming in the electric hammer on market: 1) there is gap between drill bit and impact, need to exert oneself forward during drill; 2) collet segment adopt by, lift, lift the operation such as location, replacing construction is long, also more loaded down with trivial details; 3) consumable accessory such as drill bushing assembly needs special maintenance store to change, and also needs all to unload the auxiliary parts such as the jump ring being attached thereto, bearing, be not easy to routine maintenance during replacing; 4) being connected complex structure between chuck with cylinder body, dismounting puts more effort; 5), when using, the hammering dynamics of punching hammer is big not, and working efficiency can not reach the intensity effect of expection.
It is thus desirable to provide a kind of new technical scheme solves the problem.
Practical novel content
Technical problem to be solved in the utility model is to provide a kind of rational in infrastructure, and drill bit and the dismounting of enclosure interior consumable accessory are easy to maintenance, it may also be useful to the electric hammer of life-span length.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of electric hammer, comprise chuck, housing and the cylinder assembly being located in housing and drive assembly, the side of housing is provided with handle, chuck comprises collet body, four square sets and chuck, four square sets form convex structure by minor diameter part and large-diameter portion, the side of large-diameter portion is connect by the boss card inside steel ball and chuck, it is arranged with lower spring between the part of chuck above boss and large-diameter portion, the top of lower spring is provided with fixing pad, the side of minor diameter part is provided with spacing hole, spring it is arranged with between minor diameter part and chuck, the bottom of upper spring contacts with fixing pad, top is provided with steel ball seat, steel ball it is provided with between steel ball seat and spacing hole, collet body is set in the outside of minor diameter part and chuck, dust-proof cap it is provided with between collet body and minor diameter part, dust-proof cap and minor diameter part card connect,
Cylinder assembly comprises cylinder body, before cylinder body, rear portion has drill bushing hole and piston hole, first step of cylinder body front portion stretches in four square sets, this first step has a steel ball hole I being connected with drill bushing hole, the outer wall of the first step being positioned at steel ball hole I front end is equipped with blind hole I, the steel ball card of blind hole I and large-diameter portion side connects, drill bushing assembly it is provided with in drill bushing hole, the rear portion of cylinder body has multiple pore of being connected with piston hole and a deep gouge, piston it is provided with in piston hole, one end of piston is provided with punching hammer, the other end is provided with connecting rod, connecting rod is connected with the eccentric wheel of drive assembly.
Further, described drill bushing assembly comprises impact sleeve, the outside of impact sleeve is provided with an annular groove, by this annular groove, impact sleeve being divided into forward and backward two portions, the front portion of impact sleeve is equipped with blind hole II, and blind hole II is connect by steel ball and steel ball hole I card, the rear portion of impact sleeve is equipped with steel ball hole II, being provided with in impact sleeve and impact son, the side impacting son is provided with spacing groove, and spacing groove is connect by steel ball and steel ball hole II active card.
Further, bottom the corresponding chuck in the side of described large-diameter portion and the position of fixing pad is equipped with jump-ring slot, is provided with jump ring in jump-ring slot.
Further, the length of described spacing hole is greater than the diameter of steel ball.
Further, the aperture of described piston hole is greater than the aperture in drill bushing hole.
Compared with prior art, the utility model has the advantages that: with the sub-direct collision of impact after the insertion of the utility model drill bit, drill is more laborsaving; Chuck is easy to assembly, by coordinating of steel ball and spring, it is achieved drill bit inserts directly, fast and extracts; By connection structure between cylinder body and impact sleeve, between cylinder body and chuck in adjustment, the length of cylinder assembly is more traditional shorter, and is connect by steel ball card, and dismounting safeguards that consumable accessory is convenient, greatly extends the work-ing life of electric hammer; Improve punching hammer to the hammering dynamics of drill bushing assembly by increasing the aperture of piston hole, effectively improve the working efficiency of electric hammer.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of chuck in the utility model;
Fig. 3 is the structural representation of cylinder body in the utility model;
Fig. 4 is the structural representation of impact sleeve in the utility model.
Wherein, 1, dust-proof cap, 2, collet body, 3, four square sets, 31, minor diameter part, 32, large-diameter portion, 33, spacing hole, 4, upper spring, 41, steel ball seat, 5, lower spring, 51, fixing pad, 6, chuck, 7, steel ball, 8, cylinder body, 81, drill bushing hole, 82, piston hole, 83, first step, 84, blind hole I, 85, steel ball hole I, 86, pore, 87, deep gouge, 9, impact sleeve, 91, blind hole II, 92, annular groove, 93, steel ball hole II, 10, impact son, 11, spacing groove, 12, housing, 13, handle, 14, punching hammer, 15, piston, 16, connecting rod, 17, eccentric wheel, 18, jump ring.
Embodiment:
As shown in Figures 1 to 4, a kind of electric hammer, comprise chuck, housing 12 and the cylinder assembly being located in housing 12 and drive assembly, the side of housing 12 is provided with handle 13, chuck comprises collet body 2, four square sets 3 and chuck 6, four square sets 3 form convex structure by minor diameter part 31 and large-diameter portion 32, the side of large-diameter portion 32 is connect by steel ball 7 and boss 61 card inside chuck 6, it is arranged with lower spring 5 between the part of chuck 6 above boss 61 and large-diameter portion 32, the top of lower spring 5 is provided with fixing pad 51, the side of minor diameter part 31 is provided with spacing hole 33, the length of spacing hole 33 is greater than the diameter of steel ball 7, spring 4 it is arranged with between minor diameter part 31 and chuck 6, the bottom of upper spring 4 contacts with fixing pad 51, top is provided with steel ball seat 41, steel ball 7 it is provided with between steel ball seat 41 and spacing hole 33, collet body 2 is set in the outside of minor diameter part 31 with chuck 6, dust-proof cap 1 it is provided with between collet body 2 and minor diameter part 31, dust-proof cap 1 connects with minor diameter part 31 card, bottom the corresponding chuck 6 in the side of the large-diameter portion 32 and position of fixing pad 51 is equipped with jump-ring slot, jump ring 18 it is provided with in jump-ring slot,
Cylinder assembly comprises cylinder body 8, before cylinder body 8, rear portion has drill bushing hole 81 and piston hole 82, the aperture of piston hole 82 is greater than the aperture in drill bushing hole 81, first step 83 of cylinder body 8 front portion stretches in four square sets 3, this first step 83 has a steel ball hole I85 being connected with drill bushing hole 81, the outer wall of the first step 83 being positioned at steel ball hole I85 front end is equipped with blind hole I84, steel ball 7 card of blind hole I84 and large-diameter portion 32 side connects, drill bushing assembly it is provided with in drill bushing hole 81, the rear portion of cylinder body 8 has multiple pore 86 of being connected with piston hole 82 and a deep gouge 87, piston 15 it is provided with in piston hole 82, one end of piston 15 is provided with and rushes hammer 14, the other end is provided with connecting rod 16, connecting rod 16 is connected with the eccentric wheel 17 of drive assembly.
Drill bushing assembly comprises impact sleeve 9, the outside of impact sleeve 9 is provided with an annular groove 92, by this annular groove 92, impact sleeve 9 is divided into forward and backward two portions, the front portion of impact sleeve 9 is equipped with blind hole II91, blind hole II91 is connect by steel ball 7 and steel ball hole I85 card, and the rear portion of impact sleeve 9 is equipped with steel ball hole II93, is provided with and impacts son 10 in impact sleeve 9, the side impacting son 10 is provided with spacing groove 11, and spacing groove 11 is connect by steel ball 7 and steel ball hole II93 active card.
With sub 10 direct collisions of impact after drill bit insertion chuck, drill is more laborsaving, it is necessary to more during bit change, presses down collet body 2 and just can easily take out, is convenient to routine use; Chuck is easy to assembly, by coordinating of steel ball and spring, it is achieved drill bit inserts directly, fast and extracts; By connection structure between cylinder body 8 and impact sleeve 9, between cylinder body 8 and chuck in adjustment, the length of cylinder assembly is more traditional shorter, and is connect by steel ball card, and dismounting safeguards that consumable accessory is convenient, greatly extends the work-ing life of electric hammer; Improve punching hammer to the hammering dynamics of drill bushing assembly by increasing the aperture of piston hole 82, effectively improve the working efficiency of electric hammer.
Claims (5)
1. an electric hammer, comprise chuck, housing and the cylinder assembly being located in housing and drive assembly, the side of described housing is provided with handle, it is characterized in that: described chuck comprises collet body, four square sets and chuck, described four square sets form convex structure by minor diameter part and large-diameter portion, the side of described large-diameter portion is connect by the boss card inside steel ball and chuck, it is arranged with lower spring between the part of described chuck above boss and large-diameter portion, the top of described lower spring is provided with fixing pad, the side of described minor diameter part is provided with spacing hole, it is arranged with spring between described minor diameter part and chuck, the bottom of described upper spring contacts with fixing pad, top is provided with steel ball seat, it is provided with steel ball between described steel ball seat and spacing hole, described collet body is set in the outside of minor diameter part and chuck, dust-proof cap it is provided with between described collet body and minor diameter part, described dust-proof cap and minor diameter part card connect,
Described cylinder assembly comprises cylinder body, before described cylinder body, rear portion has drill bushing hole and piston hole, first step of described cylinder body front portion stretches in four square sets, this first step has a steel ball hole I being connected with drill bushing hole, the outer wall of the first step being positioned at described steel ball hole I front end is equipped with blind hole I, the steel ball card of described blind hole I and large-diameter portion side connects, it is provided with drill bushing assembly in described drill bushing hole, the rear portion of described cylinder body has multiple pore of being connected with piston hole and a deep gouge, it is provided with piston in described piston hole, one end of described piston is provided with punching hammer, the other end is provided with connecting rod, described connecting rod is connected with the eccentric wheel of drive assembly.
2. a kind of electric hammer according to claim 1, it is characterized in that: described drill bushing assembly comprises impact sleeve, the outside of described impact sleeve is provided with an annular groove, by this annular groove, impact sleeve is divided into forward and backward two portions, the front portion of described impact sleeve is equipped with blind hole II, described blind hole II is connect by steel ball and steel ball hole I card, the rear portion of described impact sleeve is equipped with steel ball hole II, it is provided with in described impact sleeve and impacts son, the described side impacting son is provided with spacing groove, and described spacing groove is connect by steel ball and steel ball hole II active card.
3. a kind of electric hammer according to claim 1, it is characterised in that: bottom the corresponding chuck in the side of described large-diameter portion and the position of fixing pad is equipped with jump-ring slot, is provided with jump ring in described jump-ring slot.
4. a kind of electric hammer according to claim 1, it is characterised in that: the length of described spacing hole is greater than the diameter of steel ball.
5. a kind of electric hammer according to claim 1, it is characterised in that: the aperture of described piston hole is greater than the aperture in drill bushing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520823516.6U CN205310185U (en) | 2015-10-23 | 2015-10-23 | Electric hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520823516.6U CN205310185U (en) | 2015-10-23 | 2015-10-23 | Electric hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205310185U true CN205310185U (en) | 2016-06-15 |
Family
ID=56188138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520823516.6U Withdrawn - After Issue CN205310185U (en) | 2015-10-23 | 2015-10-23 | Electric hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205310185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328643A (en) * | 2015-10-23 | 2016-02-17 | 江苏恒丰电动工具有限公司 | Electric hammer |
-
2015
- 2015-10-23 CN CN201520823516.6U patent/CN205310185U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328643A (en) * | 2015-10-23 | 2016-02-17 | 江苏恒丰电动工具有限公司 | Electric hammer |
| CN105328643B (en) * | 2015-10-23 | 2018-08-24 | 江苏恒丰电动工具有限公司 | A kind of electric hammer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160615 Effective date of abandoning: 20180824 |
|
| AV01 | Patent right actively abandoned |